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Clear DTC’s
STEP 1 - Access the programming menu.
STEP 2 - Using +RES or -SET, select mode 50 (MPH)
STEP 3 - Press cancel cruise to select.
STEP 4 - The speedometer will sweep to 140 MPH, indicating the function is
complete.
Input Stock and Modied Axle Ratio.
STEP 1 - Access the Programming Menu.
STEP 2 - Using the +RES or -SET, select mode 40 (MPH)
STEP 3 - Press cancel cruise to select.
STEP 4 - Enter Stock Axle Ratio.
Example: 3.73 Axle -- Whole Number = 3, Decimal = 73
a. Using +RES or -SET, adjust to the Stock Axle Whole number.
b. Press cancel cruise to save the input.
c. Using +RES or -SET, adjust the Stock Axle Decimal number.
d. Press cancel cruise to save the input.
e. The speedometer will sweep to 140 MPH, indicating the function is
complete.
STEP 5 - Enter Modifed Axle Ratio.
a. Using +RES or -SET, adjust to the Modied Axle Whole number.
b. Press cancel cruise to save the input.
c. Using +RES or -SET, adjust the Modied Axle Decimal number.
d. Press cancel cruise to save the input.
STEP 6 - The speedometer will sweep to 140 MPH, indicating the function is
complete.
Axle Ratio
NOTE: The axle ratio adjustment feature is only for vehicles with
aftermarket axle ratios that have been physically changed in vehicle.
If your vehicle has factory axle ratios, please skip this feature.